Charles Crawford

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Blue Springs, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Sub-assembly for searchlight signal, and associated assembly
- Patent number 9,622,311
- Issue date Apr 11, 2017
- ALSTOM TRANSPORT TECHNOLOGIES
- Jeffrey Fries
- B61 - RAILWAYS
Information Patent Grant
Movable point frog switching assembly
- Patent number 7,341,226
- Issue date Mar 11, 2008
- General Electric Company
- Maurizio Biagiotti
- B61 - RAILWAYS
Information Patent Grant
Switch machine improvements
- Patent number 7,152,830
- Issue date Dec 26, 2006
- General Electric Companyy
- John Patrick Dowell
- B61 - RAILWAYS

Patents Applicationslast 30 patents

Information Patent Application
Movable point frog switching assembly
- Publication number 20060102804
- Publication date May 18, 2006
- GENERAL ELECTRIC COMPANY
- Maurizion Biagiotti
- B61 - RAILWAYS
Information Patent Application
Switch machine improvements
- Publication number 20050236526
- Publication date Oct 27, 2005
- GENERAL ELECTRIC COMPANY
- John Patrick Dowell
- B61 - RAILWAYS